10 INPUT "Name of file";OLD$
20 OPEN OLD$ FOR INPUT AS #1
30 OPEN "NEW" FOR OUTPUT AS #2
40 IF EOF(1) THEN 90
50 A$=INPUT$(1,#1)
60 IF A$=CHR$(0) THEN 40
70 PRINT #2,A$;
80 GOTO 40
90 CLOSE
100 NAME OLD$ AS "OLDFILE.BAK"
110 NAME "NEW" AS OLD$
120 END
IF A$=CHR$(0) THEN 40
70 PRINT #2,A$;
80 GOTO 40
90 CLOSE
100 NAME OLD$ AS "OLDFILE.BAK"
110 NAME "NEW" AS OLD$
1